beautypg.com

Amplitude ref level, Amplitude scale 5db, 7ghz spectrum analyzer operation manual ⎯ ⎯ 40 – GW Instek GSP-827 User Manual User Manual

Page 41

background image

2.7GHz Spectrum Analyzer Operation Manual

40

Reference Level

UP/DOWN and Scroll

: To change the Reference Level one scale a time. If the scale is at 10dB,

the UP key will increase the RefLvl from –30dBm to –20dBm in the above case.

Numerical

: Using the numerical and unit keys can specify the reference level from –50 dBm to

+20dBm in one dBm resolution.

Scale

UP/DOWN

and Scroll keys switch the scale in 10-5-2-1 sequence.

Editing

: The editing entry will select the closest scale to 10-5-2-1 one.

1

Start:99.5MHz

RBW:30 kHz

Stop:100.5MHz

VBW:100 kHz

Center:100.0MHz
Span:1.0MHz

Sweep:100.0ms

Ref Lvl:-20dBm

Rel

Level

Ref

Lvl: -20.0 dBm

-30.0

-40.0

-50.0

-60.0

-70.0

-80.0

-90.0

-20.0

-100.0

SAT JAN 28, 2003

14:30:25

INT:REF

AMPL CAL

Scale

10 dB

Unit

dBm

ExtGain

Loss

Amplitude

Ref

Level

0

1

2

3

7

6

5

4

8

9

.

-

GHz

dBm

MHz

dBmV

kHz

dBuV

BK SP

Input Z

50Ω

Input Z

Cal

1

Amplitude

Scale

5dB

Start:99.5MHz

RBW:30 kHz

Stop:100.5MHz

VBW:100 kHz

Center:100.0MHz
Span:1.0MHz

Sweep:100.0ms

Scale:5 dB/Div

Ref

Lvl: -30.0 dBm

-30.0

-35.0

-40.0

-45.0

-50.0

-55.0

-60.0

-70.0

-65.0

SAT JAN 28, 2003

14:30:25

INT:REF

AMPL CAL

Ref

Level

InputZ

50Ω

Scale

5dB

Unit

dBm

ExtGain

Loss

0

1

2

3

7

6

5

4

8

9

.

-

GHz

dBm

MHz

dBmV

kHz

dBuV

BK SP